Re: OpenSSL 3.0.0 compatibility

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Daniel Gustafsson <daniel(at)yesql(dot)se>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: OpenSSL 3.0.0 compatibility
Date: 2020-05-29 06:06:30
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On Fri, 2020-05-29 at 00:16 +0200, Daniel Gustafsson wrote:
> Since OpenSSL is now releasing 3.0.0-alpha versions, I took a look at using it
> with postgres to see what awaits us. As it is now shipping in releases (with
> GA planned for Q4), users will probably soon start to test against it so I
> wanted to be prepared.
> Regarding the deprecations, we can either set preprocessor directives or use
> compiler flags to silence the warning and do nothing (for now), or we could
> update to the new API. We probably want to different things for master vs
> back-branches, but as an illustration of what the latter could look like I've
> implemented this in 0001.

An important question will be: if we convert to functions that are not deprecated,
what is the earliest OpenSSL version we can support?

Laurenz Albe

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